Intelligent doorbell



FIG. 1 is a top, front and right side perspective view of an intelligent doorbell showing our new design;

FIG. 2 is a bottom, rear and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of portion 9 in FIG. 2 .

The broken lines in the drawings illustrate portions of the intelligent doorbell which form no part of the claimed design. 

CLAIM The ornamental design for an intelligent doorbell, as shown and described. 